13426992 has 40 divisors (see below), whose sum is σ = 38541680. Its totient is φ = 4475520.

The previous prime is 13426981. The next prime is 13427003. The reversal of 13426992 is 29962431.

It is an interprime number because it is at equal distance from previous prime (13426981) and next prime (13427003).

It is a super-2 number, since 2×13426992² = 360568228336128, 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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15109 + ... + 15972.

It is an arithmetic number, because the mean of its divisors is an integer number (963542).

Almost surely, 2^13426992 is an apocalyptic number.

13426992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13426992 is an abundant number, since it is smaller than the sum of its proper divisors (25114688).

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

13426992 is a wasteful number, since it uses less digits than its factorization.

13426992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31098 (or 31086 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 13426992 is about 3664.2860150376. The cubic root of 13426992 is about 237.6801484532.

The spelling of 13426992 in words is "thirteen million, four hundred twenty-six thousand, nine hundred ninety-two".