1392625 has 16 divisors (see below), whose sum is σ = 1873872. Its totient is φ = 1027200.

The previous prime is 1392619. The next prime is 1392631. The reversal of 1392625 is 5262931.

It is an interprime number because it is at equal distance from previous prime (1392619) and next prime (1392631).

It can be written as a sum of positive squares in 8 ways, for example, as 374544 + 1018081 = 612^2 + 1009^2 .

It is not a de Polignac number, because 1392625 - 2⁷ = 1392497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1392593 and 1392602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1197 + ... + 2053.

It is an arithmetic number, because the mean of its divisors is an integer number (117117).

2^1392625 is an apocalyptic number.

It is an amenable number.

1392625 is a deficient number, since it is larger than the sum of its proper divisors (481247).

1392625 is an equidigital number, since it uses as much as digits as its factorization.

1392625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885 (or 875 counting only the distinct ones).

The product of its digits is 3240, while the sum is 28.

The square root of 1392625 is about 1180.0953351319. The cubic root of 1392625 is about 111.6721118109.

The spelling of 1392625 in words is "one million, three hundred ninety-two thousand, six hundred twenty-five".