12401046 has 64 divisors (see below), whose sum is σ = 32140800. Its totient is φ = 3470688.

The previous prime is 12401027. The next prime is 12401047. The reversal of 12401046 is 64010421.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12401047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19725 + ... + 20343.

It is an arithmetic number, because the mean of its divisors is an integer number (502200).

Almost surely, 2^12401046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12401046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16070400).

12401046 is an abundant number, since it is smaller than the sum of its proper divisors (19739754).

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

12401046 is a wasteful number, since it uses less digits than its factorization.

12401046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 12401046 is about 3521.5118912195. The cubic root of 12401046 is about 231.4654134958.

Adding to 12401046 its reverse (64010421), we get a palindrome (76411467).

The spelling of 12401046 in words is "twelve million, four hundred one thousand, forty-six".