1372946 has 4 divisors (see below), whose sum is σ = 2059422. Its totient is φ = 686472.

The previous prime is 1372933. The next prime is 1372951. The reversal of 1372946 is 6492731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6492731 = 7 ⋅927533.

It can be written as a sum of positive squares in only one way, i.e., 1297321 + 75625 = 1139^2 + 275^2 .

It is a d-powerful number, because it can be written as 1 + 3⁸ + 7⁷ + 2⁵ + 9³ + 4⁹ + 6⁷ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343235 + ... + 343238.

2^1372946 is an apocalyptic number.

1372946 is a deficient number, since it is larger than the sum of its proper divisors (686476).

1372946 is an equidigital number, since it uses as much as digits as its factorization.

1372946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686475.

The product of its digits is 9072, while the sum is 32.

The square root of 1372946 is about 1171.7277840864. The cubic root of 1372946 is about 111.1436065696.

The spelling of 1372946 in words is "one million, three hundred seventy-two thousand, nine hundred forty-six".