15715132 has 6 divisors (see below), whose sum is σ = 27501488. Its totient is φ = 7857564.

The previous prime is 15715127. The next prime is 15715159. The reversal of 15715132 is 23151751.

It is a junction number, because it is equal to n+sod(n) for n = 15715097 and 15715106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1964388 + ... + 1964395.

Almost surely, 2^15715132 is an apocalyptic number.

It is an amenable number.

15715132 is a deficient number, since it is larger than the sum of its proper divisors (11786356).

15715132 is a wasteful number, since it uses less digits than its factorization.

15715132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3928787 (or 3928785 counting only the distinct ones).

The product of its digits is 1050, while the sum is 25.

The square root of 15715132 is about 3964.2315774939. The cubic root of 15715132 is about 250.4797826454.

Adding to 15715132 its reverse (23151751), we get a palindrome (38866883).

The spelling of 15715132 in words is "fifteen million, seven hundred fifteen thousand, one hundred thirty-two".