19676412 has 96 divisors (see below), whose sum is σ = 61770240. Its totient is φ = 5287680.

The previous prime is 19676411. The next prime is 19676453. The reversal of 19676412 is 21467691.

19676412 is a `hidden beast` number, since 1 + 9 + 6 + 7 + 641 + 2 = 666.

It is a super-2 number, since 2×19676412² = 774322378387488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19676411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12087 + ... + 13617.

It is an arithmetic number, because the mean of its divisors is an integer number (643440).

Almost surely, 2^19676412 is an apocalyptic number.

19676412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19676412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30885120).

19676412 is an abundant number, since it is smaller than the sum of its proper divisors (42093828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19676412 is a wasteful number, since it uses less digits than its factorization.

19676412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568 (or 1560 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 19676412 is about 4435.8101852987. The cubic root of 19676412 is about 269.9698731818.

The spelling of 19676412 in words is "nineteen million, six hundred seventy-six thousand, four hundred twelve".