1362978 has 12 divisors (see below), whose sum is σ = 2953158. Its totient is φ = 454320.

The previous prime is 1362973. The next prime is 1362989. The reversal of 1362978 is 8792631.

It can be written as a sum of positive squares in only one way, i.e., 1361889 + 1089 = 1167^2 + 33^2 .

It is a d-powerful number, because it can be written as 1 + 3¹² + 6⁵ + 2⁷ + 9² + 7⁷ + 8 .

It is not an unprimeable number, because it can be changed into a prime (1362973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37843 + ... + 37878.

2^1362978 is an apocalyptic number.

1362978 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1362978 is an abundant number, since it is smaller than the sum of its proper divisors (1590180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1362978 is a wasteful number, since it uses less digits than its factorization.

1362978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75729 (or 75726 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 1362978 is about 1167.4664877417. The cubic root of 1362978 is about 110.8739743294.

The spelling of 1362978 in words is "one million, three hundred sixty-two thousand, nine hundred seventy-eight".