1392056 has 8 divisors (see below), whose sum is σ = 2610120. Its totient is φ = 696024.

The previous prime is 1392007. The next prime is 1392089. The reversal of 1392056 is 6502931.

It is a tau number, because it is divible by the number of its divisors (8).

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, 86996 + ... + 87011.

It is an arithmetic number, because the mean of its divisors is an integer number (326265).

2^1392056 is an apocalyptic number.

It is an amenable number.

1392056 is a deficient number, since it is larger than the sum of its proper divisors (1218064).

1392056 is a wasteful number, since it uses less digits than its factorization.

1392056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174013 (or 174009 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 1392056 is about 1179.8542282842. The cubic root of 1392056 is about 111.6569007078.

Adding to 1392056 its reverse (6502931), we get a palindrome (7894987).

The spelling of 1392056 in words is "one million, three hundred ninety-two thousand, fifty-six".