13240494 has 24 divisors (see below), whose sum is σ = 28975752. Its totient is φ = 4369200.

The previous prime is 13240489. The next prime is 13240519. The reversal of 13240494 is 49404231.

13240494 is a `hidden beast` number, since 132 + 40 + 494 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1824 + ... + 5459.

It is an arithmetic number, because the mean of its divisors is an integer number (1207323).

Almost surely, 2^13240494 is an apocalyptic number.

13240494 is an abundant number, since it is smaller than the sum of its proper divisors (15735258).

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

13240494 is a wasteful number, since it uses less digits than its factorization.

13240494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7392 (or 7389 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 13240494 is about 3638.7489608381. The cubic root of 13240494 is about 236.5745719394.

The spelling of 13240494 in words is "thirteen million, two hundred forty thousand, four hundred ninety-four".