1400012372 has 12 divisors (see below), whose sum is σ = 2672750976. Its totient is φ = 636369240.

The previous prime is 1400012371. The next prime is 1400012387. The reversal of 1400012372 is 2732100041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400012371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15909188 + ... + 15909275.

It is an arithmetic number, because the mean of its divisors is an integer number (222729248).

Almost surely, 2^1400012372 is an apocalyptic number.

It is an amenable number.

1400012372 is a deficient number, since it is larger than the sum of its proper divisors (1272738604).

1400012372 is a wasteful number, since it uses less digits than its factorization.

1400012372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31818478 (or 31818476 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1400012372 is about 37416.7391951784. The cubic root of 1400012372 is about 1118.6922374097.

The spelling of 1400012372 in words is "one billion, four hundred million, twelve thousand, three hundred seventy-two".