13491902 has 16 divisors (see below), whose sum is σ = 21504960. Its totient is φ = 6336288.

The previous prime is 13491893. The next prime is 13491937. The reversal of 13491902 is 20919431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 998 + ... + 5289.

It is an arithmetic number, because the mean of its divisors is an integer number (1344060).

Almost surely, 2^13491902 is an apocalyptic number.

13491902 is a deficient number, since it is larger than the sum of its proper divisors (8013058).

13491902 is a wasteful number, since it uses less digits than its factorization.

13491902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6355.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 13491902 is about 3673.1324506475. The cubic root of 13491902 is about 238.0625379993.

The spelling of 13491902 in words is "thirteen million, four hundred ninety-one thousand, nine hundred two".