19425912 has 32 divisors (see below), whose sum is σ = 52980480. Its totient is φ = 5886560.

The previous prime is 19425907. The next prime is 19425919. The reversal of 19425912 is 21952491.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19425919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36528 + ... + 37055.

It is an arithmetic number, because the mean of its divisors is an integer number (1655640).

Almost surely, 2^19425912 is an apocalyptic number.

19425912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19425912 is an abundant number, since it is smaller than the sum of its proper divisors (33554568).

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

19425912 is a wasteful number, since it uses less digits than its factorization.

19425912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73603 (or 73599 counting only the distinct ones).

The product of its digits is 6480, while the sum is 33.

The square root of 19425912 is about 4407.4836358176. The cubic root of 19425912 is about 268.8193163911.

It can be divided in two parts, 194 and 25912, that added together give a triangular number (26106 = T₂₂₈).

The spelling of 19425912 in words is "nineteen million, four hundred twenty-five thousand, nine hundred twelve".