13504949 has 8 divisors (see below), whose sum is σ = 13993560. Its totient is φ = 13024000.

The previous prime is 13504943. The next prime is 13504999. The reversal of 13504949 is 94940531.

13504949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 145924 + 13359025 = 382^2 + 3655^2 .

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 13504949 - 2¹² = 13500853 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 (13504943) 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, 1799 + ... + 5499.

It is an arithmetic number, because the mean of its divisors is an integer number (1749195).

Almost surely, 2^13504949 is an apocalyptic number.

It is an amenable number.

13504949 is a deficient number, since it is larger than the sum of its proper divisors (488611).

13504949 is an equidigital number, since it uses as much as digits as its factorization.

13504949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3831.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 13504949 is about 3674.9080260600. The cubic root of 13504949 is about 238.1392507138.

The spelling of 13504949 in words is "thirteen million, five hundred four thousand, nine hundred forty-nine".