13952247 has 4 divisors (see below), whose sum is σ = 18603000. Its totient is φ = 9301496.

The previous prime is 13952231. The next prime is 13952287. The reversal of 13952247 is 74225931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13952247 - 2⁴ = 13952231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13952287) 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, 2325372 + ... + 2325377.

It is an arithmetic number, because the mean of its divisors is an integer number (4650750).

Almost surely, 2^13952247 is an apocalyptic number.

13952247 is a deficient number, since it is larger than the sum of its proper divisors (4650753).

13952247 is an equidigital number, since it uses as much as digits as its factorization.

13952247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4650752.

The product of its digits is 15120, while the sum is 33.

The square root of 13952247 is about 3735.2706729232. The cubic root of 13952247 is about 240.7398868261.

The spelling of 13952247 in words is "thirteen million, nine hundred fifty-two thousand, two hundred forty-seven".