1392530 has 16 divisors (see below), whose sum is σ = 2528064. Its totient is φ = 552240.

The previous prime is 1392527. The next prime is 1392539. The reversal of 1392530 is 352931.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1392496 and 1392505.

It is not an unprimeable number, because it can be changed into a prime (1392539) 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, 779 + ... + 1841.

It is an arithmetic number, because the mean of its divisors is an integer number (158004).

2^1392530 is an apocalyptic number.

1392530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1392530 is a deficient number, since it is larger than the sum of its proper divisors (1135534).

1392530 is a wasteful number, since it uses less digits than its factorization.

1392530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 1392530 is about 1180.0550834601. The cubic root of 1392530 is about 111.6695724597.

The spelling of 1392530 in words is "one million, three hundred ninety-two thousand, five hundred thirty".