13363949 has 4 divisors (see below), whose sum is σ = 13385760. Its totient is φ = 13342140.

The previous prime is 13363907. The next prime is 13363957. The reversal of 13363949 is 94936331.

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 13363949 - 2¹⁶ = 13298413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13363969) 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, 9959 + ... + 11220.

It is an arithmetic number, because the mean of its divisors is an integer number (3346440).

Almost surely, 2^13363949 is an apocalyptic number.

It is an amenable number.

13363949 is a deficient number, since it is larger than the sum of its proper divisors (21811).

13363949 is an equidigital number, since it uses as much as digits as its factorization.

13363949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21810.

The product of its digits is 52488, while the sum is 38.

The square root of 13363949 is about 3655.6735357523. The cubic root of 13363949 is about 237.3075759949.

The spelling of 13363949 in words is "thirteen million, three hundred sixty-three thousand, nine hundred forty-nine".