12401115 has 16 divisors (see below), whose sum is σ = 19996416. Its totient is φ = 6562400.

The previous prime is 12401111. The next prime is 12401141. The reversal of 12401115 is 51110421.

It is a happy number.

It is not a de Polignac number, because 12401115 - 2² = 12401111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 12401094 and 12401103.

It is not an unprimeable number, because it can be changed into a prime (12401111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1191 + ... + 5120.

It is an arithmetic number, because the mean of its divisors is an integer number (1249776).

Almost surely, 2^12401115 is an apocalyptic number.

12401115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12401115 is a deficient number, since it is larger than the sum of its proper divisors (7595301).

12401115 is a wasteful number, since it uses less digits than its factorization.

12401115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6450.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 12401115 is about 3521.5216881343. The cubic root of 12401115 is about 231.4658427898.

Adding to 12401115 its reverse (51110421), we get a palindrome (63511536).

The spelling of 12401115 in words is "twelve million, four hundred one thousand, one hundred fifteen".