1392545 has 16 divisors (see below), whose sum is σ = 2083968. Its totient is φ = 867840.

The previous prime is 1392541. The next prime is 1392553. The reversal of 1392545 is 5452931.

It is not a de Polignac number, because 1392545 - 2² = 1392541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (1392541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1424 + ... + 2193.

It is an arithmetic number, because the mean of its divisors is an integer number (130248).

2^1392545 is an apocalyptic number.

It is an amenable number.

1392545 is a deficient number, since it is larger than the sum of its proper divisors (691423).

1392545 is a wasteful number, since it uses less digits than its factorization.

1392545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3640.

The product of its digits is 5400, while the sum is 29.

The square root of 1392545 is about 1180.0614390785. The cubic root of 1392545 is about 111.6699734176.

The spelling of 1392545 in words is "one million, three hundred ninety-two thousand, five hundred forty-five".