13611960 has 48 divisors (see below), whose sum is σ = 44240040. Its totient is φ = 3629760.

The previous prime is 13611953. The next prime is 13611971. The reversal of 13611960 is 6911631.

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, 18546 + ... + 19265.

Almost surely, 2^13611960 is an apocalyptic number.

13611960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13611960 is an abundant number, since it is smaller than the sum of its proper divisors (30628080).

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

13611960 is a wasteful number, since it uses less digits than its factorization.

13611960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37828 (or 37821 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 13611960 is about 3689.4389817423. The cubic root of 13611960 is about 238.7665887617.

It can be divided in two parts, 1361 and 1960, that added together give a triangular number (3321 = T₈₁).

The spelling of 13611960 in words is "thirteen million, six hundred eleven thousand, nine hundred sixty".