13245949 has 4 divisors (see below), whose sum is σ = 13275900. Its totient is φ = 13216000.

The previous prime is 13245943. The next prime is 13245961. The reversal of 13245949 is 94954231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94954231 = 17 ⋅5585543.

It can be written as a sum of positive squares in 2 ways, for example, as 6666724 + 6579225 = 2582^2 + 2565^2 .

It is a cyclic number.

It is not a de Polignac number, because 13245949 - 2⁵ = 13245917 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 (13245943) 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, 14302 + ... + 15199.

It is an arithmetic number, because the mean of its divisors is an integer number (3318975).

Almost surely, 2^13245949 is an apocalyptic number.

It is an amenable number.

13245949 is a deficient number, since it is larger than the sum of its proper divisors (29951).

13245949 is an equidigital number, since it uses as much as digits as its factorization.

13245949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29950.

The product of its digits is 38880, while the sum is 37.

The square root of 13245949 is about 3639.4984544577. The cubic root of 13245949 is about 236.6070565557.

The spelling of 13245949 in words is "thirteen million, two hundred forty-five thousand, nine hundred forty-nine".