19132947 has 12 divisors (see below), whose sum is σ = 28158624. Its totient is φ = 12514320.

The previous prime is 19132903. The next prime is 19132951. The reversal of 19132947 is 74923191.

It is not a de Polignac number, because 19132947 - 2⁷ = 19132819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19132957) 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, 19579 + ... + 20532.

It is an arithmetic number, because the mean of its divisors is an integer number (2346552).

Almost surely, 2^19132947 is an apocalyptic number.

19132947 is a deficient number, since it is larger than the sum of its proper divisors (9025677).

19132947 is a wasteful number, since it uses less digits than its factorization.

19132947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40170 (or 40167 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 19132947 is about 4374.1224262702. The cubic root of 19132947 is about 267.4610977870.

The spelling of 19132947 in words is "nineteen million, one hundred thirty-two thousand, nine hundred forty-seven".