15247401 has 8 divisors (see below), whose sum is σ = 21893760. Its totient is φ = 9382992.

The previous prime is 15247387. The next prime is 15247403. The reversal of 15247401 is 10474251.

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

It is not a de Polignac number, because 15247401 - 2¹³ = 15239209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15247403) 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, 195441 + ... + 195518.

It is an arithmetic number, because the mean of its divisors is an integer number (2736720).

Almost surely, 2^15247401 is an apocalyptic number.

It is an amenable number.

15247401 is a deficient number, since it is larger than the sum of its proper divisors (6646359).

15247401 is a wasteful number, since it uses less digits than its factorization.

15247401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390975.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 15247401 is about 3904.7920559231. The cubic root of 15247401 is about 247.9696947447.

The spelling of 15247401 in words is "fifteen million, two hundred forty-seven thousand, four hundred one".