13103949 has 8 divisors (see below), whose sum is σ = 17878432. Its totient is φ = 8532720.

The previous prime is 13103941. The next prime is 13103953. The reversal of 13103949 is 94930131.

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

It is not a de Polignac number, because 13103949 - 2³ = 13103941 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 (13103941) 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, 50662 + ... + 50919.

It is an arithmetic number, because the mean of its divisors is an integer number (2234804).

Almost surely, 2^13103949 is an apocalyptic number.

It is an amenable number.

13103949 is a deficient number, since it is larger than the sum of its proper divisors (4774483).

13103949 is a wasteful number, since it uses less digits than its factorization.

13103949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101627.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 13103949 is about 3619.9377066463. The cubic root of 13103949 is about 235.7585208336.

The spelling of 13103949 in words is "thirteen million, one hundred three thousand, nine hundred forty-nine".