12401010 has 48 divisors (see below), whose sum is σ = 32438016. Its totient is φ = 3286944.

The previous prime is 12400987. The next prime is 12401027. The reversal of 12401010 is 1010421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12400983 and 12401001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20127 + ... + 20733.

It is an arithmetic number, because the mean of its divisors is an integer number (675792).

Almost surely, 2^12401010 is an apocalyptic number.

12401010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12401010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16219008).

12401010 is an abundant number, since it is smaller than the sum of its proper divisors (20037006).

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

12401010 is a wasteful number, since it uses less digits than its factorization.

12401010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847 (or 844 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 12401010 is about 3521.5067797748. The cubic root of 12401010 is about 231.4651895157.

Adding to 12401010 its reverse (1010421), we get a palindrome (13411431).

The spelling of 12401010 in words is "twelve million, four hundred one thousand, ten".