1356977 has 8 divisors (see below), whose sum is σ = 1451520. Its totient is φ = 1265440.

The previous prime is 1356973. The next prime is 1357001. The reversal of 1356977 is 7796531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1356977 - 2² = 1356973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1356977.

It is not an unprimeable number, because it can be changed into a prime (1356973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224 + ... + 1662.

It is an arithmetic number, because the mean of its divisors is an integer number (181440).

2^1356977 is an apocalyptic number.

It is an amenable number.

1356977 is a deficient number, since it is larger than the sum of its proper divisors (94543).

1356977 is a wasteful number, since it uses less digits than its factorization.

1356977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503.

The product of its digits is 39690, while the sum is 38.

The square root of 1356977 is about 1164.8935573691. The cubic root of 1356977 is about 110.7110141048.

The spelling of 1356977 in words is "one million, three hundred fifty-six thousand, nine hundred seventy-seven".