15387452 has 6 divisors (see below), whose sum is σ = 26928048. Its totient is φ = 7693724.

The previous prime is 15387443. The next prime is 15387457. The reversal of 15387452 is 25478351.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15387457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1923428 + ... + 1923435.

It is an arithmetic number, because the mean of its divisors is an integer number (4488008).

Almost surely, 2^15387452 is an apocalyptic number.

It is an amenable number.

15387452 is a deficient number, since it is larger than the sum of its proper divisors (11540596).

15387452 is a wasteful number, since it uses less digits than its factorization.

15387452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3846867 (or 3846865 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 15387452 is about 3922.6842850273. The cubic root of 15387452 is about 248.7266021779.

The spelling of 15387452 in words is "fifteen million, three hundred eighty-seven thousand, four hundred fifty-two".