12481601 has 4 divisors (see below), whose sum is σ = 13616304. Its totient is φ = 11346900.

The previous prime is 12481559. The next prime is 12481619. The reversal of 12481601 is 10618421.

12481601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12481601 - 2¹⁰ = 12480577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12481661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567335 + ... + 567356.

It is an arithmetic number, because the mean of its divisors is an integer number (3404076).

Almost surely, 2^12481601 is an apocalyptic number.

12481601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12481601 is a deficient number, since it is larger than the sum of its proper divisors (1134703).

12481601 is a wasteful number, since it uses less digits than its factorization.

12481601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134702.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 12481601 is about 3532.9309362058. The cubic root of 12481601 is about 231.9655183097.

The spelling of 12481601 in words is "twelve million, four hundred eighty-one thousand, six hundred one".