13949245 has 4 divisors (see below), whose sum is σ = 16739100. Its totient is φ = 11159392.

The previous prime is 13949233. The next prime is 13949251. The reversal of 13949245 is 54294931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54294931 = 29 ⋅1872239.

It can be written as a sum of positive squares in 2 ways, for example, as 2477476 + 11471769 = 1574^2 + 3387^2 .

It is a cyclic number.

It is not a de Polignac number, because 13949245 - 2⁵ = 13949213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1394920 + ... + 1394929.

It is an arithmetic number, because the mean of its divisors is an integer number (4184775).

Almost surely, 2^13949245 is an apocalyptic number.

It is an amenable number.

13949245 is a deficient number, since it is larger than the sum of its proper divisors (2789855).

13949245 is an equidigital number, since it uses as much as digits as its factorization.

13949245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2789854.

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

The square root of 13949245 is about 3734.8688062635. The cubic root of 13949245 is about 240.7226195243.

The spelling of 13949245 in words is "thirteen million, nine hundred forty-nine thousand, two hundred forty-five".