12950040 has 64 divisors (see below), whose sum is σ = 39087360. Its totient is φ = 3432320.

The previous prime is 12950029. The next prime is 12950053. The reversal of 12950040 is 4005921.

It is a junction number, because it is equal to n+sod(n) for n = 12949989 and 12950016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37147 + ... + 37493.

It is an arithmetic number, because the mean of its divisors is an integer number (610740).

Almost surely, 2^12950040 is an apocalyptic number.

12950040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12950040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19543680).

12950040 is an abundant number, since it is smaller than the sum of its proper divisors (26137320).

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

12950040 is a wasteful number, since it uses less digits than its factorization.

12950040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 12950040 is about 3598.6164007852. The cubic root of 12950040 is about 234.8318700833.

Adding to 12950040 its reverse (4005921), we get a palindrome (16955961).

The spelling of 12950040 in words is "twelve million, nine hundred fifty thousand, forty".