13732961 has 4 divisors (see below), whose sum is σ = 14981424. Its totient is φ = 12484500.

The previous prime is 13732951. The next prime is 13732973. The reversal of 13732961 is 16923731.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13732961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13732951) 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, 624215 + ... + 624236.

It is an arithmetic number, because the mean of its divisors is an integer number (3745356).

Almost surely, 2^13732961 is an apocalyptic number.

13732961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13732961 is a deficient number, since it is larger than the sum of its proper divisors (1248463).

13732961 is a wasteful number, since it uses less digits than its factorization.

13732961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248462.

The product of its digits is 6804, while the sum is 32.

The square root of 13732961 is about 3705.8009930378. The cubic root of 13732961 is about 239.4719931569.

It can be divided in two parts, 1373 and 2961, that added together give a palindrome (4334).

The spelling of 13732961 in words is "thirteen million, seven hundred thirty-two thousand, nine hundred sixty-one".