12169690 has 48 divisors (see below), whose sum is σ = 25034400. Its totient is φ = 4245696.

The previous prime is 12169669. The next prime is 12169693. The reversal of 12169690 is 9696121.

It is a super-2 number, since 2×12169690² = 296202709392200, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12169693) 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, 31921 + ... + 32299.

It is an arithmetic number, because the mean of its divisors is an integer number (521550).

Almost surely, 2^12169690 is an apocalyptic number.

12169690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12169690 is an abundant number, since it is smaller than the sum of its proper divisors (12864710).

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

12169690 is a wasteful number, since it uses less digits than its factorization.

12169690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 12169690 is about 3488.5082771867. The cubic root of 12169690 is about 230.0169489715.

The spelling of 12169690 in words is "twelve million, one hundred sixty-nine thousand, six hundred ninety".