12540162 has 16 divisors (see below), whose sum is σ = 25434432. Its totient is φ = 4121040.

The previous prime is 12540149. The next prime is 12540167. The reversal of 12540162 is 26104521.

12540162 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12540167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14293 + ... + 15144.

It is an arithmetic number, because the mean of its divisors is an integer number (1589652).

Almost surely, 2^12540162 is an apocalyptic number.

12540162 is an abundant number, since it is smaller than the sum of its proper divisors (12894270).

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

12540162 is a wasteful number, since it uses less digits than its factorization.

12540162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29513.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 12540162 is about 3541.2091155423. The cubic root of 12540162 is about 232.3277299444.

Adding to 12540162 its reverse (26104521), we get a palindrome (38644683).

The spelling of 12540162 in words is "twelve million, five hundred forty thousand, one hundred sixty-two".