13276661 has 8 divisors (see below), whose sum is σ = 13776000. Its totient is φ = 12785760.

The previous prime is 13276657. The next prime is 13276699. The reversal of 13276661 is 16667231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13276661 - 2² = 13276657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13276631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1190 + ... + 5288.

It is an arithmetic number, because the mean of its divisors is an integer number (1722000).

Almost surely, 2^13276661 is an apocalyptic number.

It is an amenable number.

13276661 is a deficient number, since it is larger than the sum of its proper divisors (499339).

13276661 is an equidigital number, since it uses as much as digits as its factorization.

13276661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4219.

The product of its digits is 9072, while the sum is 32.

The square root of 13276661 is about 3643.7152742771. The cubic root of 13276661 is about 236.7897807728.

The spelling of 13276661 in words is "thirteen million, two hundred seventy-six thousand, six hundred sixty-one".