1319972 has 6 divisors (see below), whose sum is σ = 2309958. Its totient is φ = 659984.

The previous prime is 1319963. The next prime is 1320019. The reversal of 1319972 is 2799131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1308736 + 11236 = 1144^2 + 106^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164993 + ... + 165000.

It is an arithmetic number, because the mean of its divisors is an integer number (384993).

2^1319972 is an apocalyptic number.

It is an amenable number.

1319972 is a deficient number, since it is larger than the sum of its proper divisors (989986).

1319972 is a wasteful number, since it uses less digits than its factorization.

1319972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329997 (or 329995 counting only the distinct ones).

The product of its digits is 3402, while the sum is 32.

The square root of 1319972 is about 1148.9003438071. The cubic root of 1319972 is about 109.6953554140.

The spelling of 1319972 in words is "one million, three hundred nineteen thousand, nine hundred seventy-two".