12190626 has 48 divisors (see below), whose sum is σ = 31170048. Its totient is φ = 3369600.

The previous prime is 12190613. The next prime is 12190627. The reversal of 12190626 is 62609121.

It is a super-2 number, since 2×12190626² = 297222724543752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12190626.

It is not an unprimeable number, because it can be changed into a prime (12190627) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2346 + ... + 5466.

It is an arithmetic number, because the mean of its divisors is an integer number (649376).

Almost surely, 2^12190626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12190626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15585024).

12190626 is an abundant number, since it is smaller than the sum of its proper divisors (18979422).

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

12190626 is a wasteful number, since it uses less digits than its factorization.

12190626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3167 (or 3164 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 12190626 is about 3491.5076972563. The cubic root of 12190626 is about 230.1487758291.

Adding to 12190626 its reverse (62609121), we get a palindrome (74799747).

The spelling of 12190626 in words is "twelve million, one hundred ninety thousand, six hundred twenty-six".