1391372 has 12 divisors (see below), whose sum is σ = 2453640. Its totient is φ = 690336.

The previous prime is 1391363. The next prime is 1391381. The reversal of 1391372 is 2731931.

It is an interprime number because it is at equal distance from previous prime (1391363) and next prime (1391381).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722 + ... + 1817.

It is an arithmetic number, because the mean of its divisors is an integer number (204470).

2^1391372 is an apocalyptic number.

It is an amenable number.

1391372 is a deficient number, since it is larger than the sum of its proper divisors (1062268).

1391372 is a wasteful number, since it uses less digits than its factorization.

1391372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2680 (or 2678 counting only the distinct ones).

The product of its digits is 1134, while the sum is 26.

The square root of 1391372 is about 1179.5643263510. The cubic root of 1391372 is about 111.6386098171.

The spelling of 1391372 in words is "one million, three hundred ninety-one thousand, three hundred seventy-two".