1391612 has 12 divisors (see below), whose sum is σ = 2450616. Its totient is φ = 691440.

The previous prime is 1391597. The next prime is 1391627. The reversal of 1391612 is 2161931.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1391597) and next prime (1391627).

It is a congruent number.

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, 314 + ... + 1697.

It is an arithmetic number, because the mean of its divisors is an integer number (204218).

2^1391612 is an apocalyptic number.

It is an amenable number.

1391612 is a deficient number, since it is larger than the sum of its proper divisors (1059004).

1391612 is a wasteful number, since it uses less digits than its factorization.

1391612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188 (or 2186 counting only the distinct ones).

The product of its digits is 324, while the sum is 23.

The square root of 1391612 is about 1179.6660544408. Note that the first 3 decimals coincide. The cubic root of 1391612 is about 111.6450283560.

The spelling of 1391612 in words is "one million, three hundred ninety-one thousand, six hundred twelve".