1913272 has 16 divisors (see below), whose sum is σ = 3603600. Its totient is φ = 952320.

The previous prime is 1913269. The next prime is 1913273. The reversal of 1913272 is 2723191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1913273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2104 + ... + 2872.

It is an arithmetic number, because the mean of its divisors is an integer number (225225).

2^1913272 is an apocalyptic number.

It is an amenable number.

1913272 is a deficient number, since it is larger than the sum of its proper divisors (1690328).

1913272 is a wasteful number, since it uses less digits than its factorization.

1913272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086 (or 1082 counting only the distinct ones).

The product of its digits is 756, while the sum is 25.

The square root of 1913272 is about 1383.2107576216. The cubic root of 1913272 is about 124.1439535250.

The spelling of 1913272 in words is "one million, nine hundred thirteen thousand, two hundred seventy-two".