13492081 has 4 divisors (see below), whose sum is σ = 13501552. Its totient is φ = 13482612.

The previous prime is 13492057. The next prime is 13492091. The reversal of 13492081 is 18029431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 18029431 = 7 ⋅2575633.

It is a cyclic number.

It is not a de Polignac number, because 13492081 - 2⁷ = 13491953 is a prime.

It is a super-2 number, since 2×13492081² = 364072499421122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13492091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2115 + ... + 5608.

It is an arithmetic number, because the mean of its divisors is an integer number (3375388).

Almost surely, 2^13492081 is an apocalyptic number.

It is an amenable number.

13492081 is a deficient number, since it is larger than the sum of its proper divisors (9471).

13492081 is an equidigital number, since it uses as much as digits as its factorization.

13492081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9470.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 13492081 is about 3673.1568166905. The cubic root of 13492081 is about 238.0635908038.

The spelling of 13492081 in words is "thirteen million, four hundred ninety-two thousand, eighty-one".