2631012 has 12 divisors (see below), whose sum is σ = 6139056. Its totient is φ = 877000.

The previous prime is 2631007. The next prime is 2631019. The reversal of 2631012 is 2101362.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2630982 and 2631000.

It is not an unprimeable number, because it can be changed into a prime (2631019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109614 + ... + 109637.

It is an arithmetic number, because the mean of its divisors is an integer number (511588).

2^2631012 is an apocalyptic number.

It is an amenable number.

2631012 is an abundant number, since it is smaller than the sum of its proper divisors (3508044).

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

2631012 is a wasteful number, since it uses less digits than its factorization.

2631012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219258 (or 219256 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2631012 is about 1622.0394569800. The cubic root of 2631012 is about 138.0514406001.

Adding to 2631012 its reverse (2101362), we get a palindrome (4732374).

It can be divided in two parts, 263 and 1012, that added together give a triangular number (1275 = T₅₀).

The spelling of 2631012 in words is "two million, six hundred thirty-one thousand, twelve".