1372564 has 6 divisors (see below), whose sum is σ = 2401994. Its totient is φ = 686280.

The previous prime is 1372559. The next prime is 1372583. The reversal of 1372564 is 4652731.

It can be written as a sum of positive squares in only one way, i.e., 960400 + 412164 = 980^2 + 642^2 .

It is an Ulam number.

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, 171567 + ... + 171574.

2^1372564 is an apocalyptic number.

It is an amenable number.

1372564 is a deficient number, since it is larger than the sum of its proper divisors (1029430).

1372564 is a wasteful number, since it uses less digits than its factorization.

1372564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343145 (or 343143 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 1372564 is about 1171.5647656020. The cubic root of 1372564 is about 111.1332976436.

It can be divided in two parts, 1372 and 564, that added together give a square (1936 = 44²).

The spelling of 1372564 in words is "one million, three hundred seventy-two thousand, five hundred sixty-four".