1356418 has 12 divisors (see below), whose sum is σ = 2366982. Its totient is φ = 581280.

The previous prime is 1356409. The next prime is 1356427. The reversal of 1356418 is 8146531.

It is an interprime number because it is at equal distance from previous prime (1356409) and next prime (1356427).

It can be written as a sum of positive squares in only one way, i.e., 1238769 + 117649 = 1113^2 + 343^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6823 + ... + 7018.

2^1356418 is an apocalyptic number.

1356418 is a deficient number, since it is larger than the sum of its proper divisors (1010564).

1356418 is a wasteful number, since it uses less digits than its factorization.

1356418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13857 (or 13850 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 1356418 is about 1164.6535965685. The cubic root of 1356418 is about 110.6958097309.

The spelling of 1356418 in words is "one million, three hundred fifty-six thousand, four hundred eighteen".