12889092 has 24 divisors (see below), whose sum is σ = 30715776. Its totient is φ = 4204768.

The previous prime is 12889091. The next prime is 12889109. The reversal of 12889092 is 29098821.

It is a super-2 number, since 2×12889092² = 332257385168928, 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 12889092.

It is not an unprimeable number, because it can be changed into a prime (12889091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10863 + ... + 11990.

It is an arithmetic number, because the mean of its divisors is an integer number (1279824).

Almost surely, 2^12889092 is an apocalyptic number.

12889092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12889092 is an abundant number, since it is smaller than the sum of its proper divisors (17826684).

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

12889092 is a wasteful number, since it uses less digits than its factorization.

12889092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22907 (or 22905 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 12889092 is about 3590.1381589014. The cubic root of 12889092 is about 234.4628867909.

The spelling of 12889092 in words is "twelve million, eight hundred eighty-nine thousand, ninety-two".