12490201 has 16 divisors (see below), whose sum is σ = 13710400. Its totient is φ = 11337408.

The previous prime is 12490187. The next prime is 12490237. The reversal of 12490201 is 10209421.

It is a 3-Lehmer number, since φ(12490201) divides (12490201-1)³.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 12490201 - 2¹³ = 12482009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a deceptive number, since it divides R_12490200.

It is not an unprimeable number, because it can be changed into a prime (12490001) 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, 76546 + ... + 76708.

It is an arithmetic number, because the mean of its divisors is an integer number (856900).

It is a Poulet number, since it divides 2^12490200-1.

Almost surely, 2^12490201 is an apocalyptic number.

It is an amenable number.

12490201 is a deficient number, since it is larger than the sum of its proper divisors (1220199).

12490201 is a wasteful number, since it uses less digits than its factorization.

12490201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 12490201 is about 3534.1478463698. The cubic root of 12490201 is about 232.0187819218.

Adding to 12490201 its reverse (10209421), we get a palindrome (22699622).

The spelling of 12490201 in words is "twelve million, four hundred ninety thousand, two hundred one".