2499912 has 24 divisors (see below), whose sum is σ = 6770790. Its totient is φ = 833280.

The previous prime is 2499907. The next prime is 2499919. The reversal of 2499912 is 2199942.

It can be written as a sum of positive squares in only one way, i.e., 2056356 + 443556 = 1434^2 + 666^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (2499919) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17289 + ... + 17432.

2^2499912 is an apocalyptic number.

It is an amenable number.

2499912 is an abundant number, since it is smaller than the sum of its proper divisors (4270878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2499912 is a wasteful number, since it uses less digits than its factorization.

2499912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34733 (or 34726 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 2499912 is about 1581.1110017959. Note that the first 3 decimals coincide. The cubic root of 2499912 is about 135.7192883527.

The spelling of 2499912 in words is "two million, four hundred ninety-nine thousand, nine hundred twelve".