14975991 has 12 divisors (see below), whose sum is σ = 21682440. Its totient is φ = 9960720.

The previous prime is 14975969. The next prime is 14975993. The reversal of 14975991 is 19957941.

It is not a de Polignac number, because 14975991 - 2¹⁵ = 14943223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14975993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2725 + ... + 6113.

It is an arithmetic number, because the mean of its divisors is an integer number (1806870).

Almost surely, 2^14975991 is an apocalyptic number.

14975991 is a deficient number, since it is larger than the sum of its proper divisors (6706449).

14975991 is a wasteful number, since it uses less digits than its factorization.

14975991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3886 (or 3883 counting only the distinct ones).

The product of its digits is 102060, while the sum is 45.

The square root of 14975991 is about 3869.8825563575. The cubic root of 14975991 is about 246.4895565330.

The spelling of 14975991 in words is "fourteen million, nine hundred seventy-five thousand, nine hundred ninety-one".