13049961 has 4 divisors (see below), whose sum is σ = 17399952. Its totient is φ = 8699972.

The previous prime is 13049957. The next prime is 13049969. The reversal of 13049961 is 16994031.

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 not a de Polignac number, because 13049961 - 2² = 13049957 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13049969) 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, 2174991 + ... + 2174996.

It is an arithmetic number, because the mean of its divisors is an integer number (4349988).

Almost surely, 2^13049961 is an apocalyptic number.

It is an amenable number.

13049961 is a deficient number, since it is larger than the sum of its proper divisors (4349991).

13049961 is an equidigital number, since it uses as much as digits as its factorization.

13049961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4349990.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 13049961 is about 3612.4729756775. The cubic root of 13049961 is about 235.4343017497.

The spelling of 13049961 in words is "thirteen million, forty-nine thousand, nine hundred sixty-one".