13461988 has 12 divisors (see below), whose sum is σ = 23585212. Its totient is φ = 6723360.

The previous prime is 13461983. The next prime is 13462021. The reversal of 13461988 is 88916431.

It can be written as a sum of positive squares in 2 ways, for example, as 9935104 + 3526884 = 3152^2 + 1878^2 .

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 13461988.

It is not an unprimeable number, because it can be changed into a prime (13461983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4306 + ... + 6742.

Almost surely, 2^13461988 is an apocalyptic number.

It is an amenable number.

13461988 is a deficient number, since it is larger than the sum of its proper divisors (10123224).

13461988 is a wasteful number, since it uses less digits than its factorization.

13461988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3822 (or 3820 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 13461988 is about 3669.0581897811. The cubic root of 13461988 is about 237.8864651619.

The spelling of 13461988 in words is "thirteen million, four hundred sixty-one thousand, nine hundred eighty-eight".