12465003661 has 8 divisors (see below), whose sum is σ = 13762020384. Its totient is φ = 11195292720.

The previous prime is 12465003641. The next prime is 12465003679. The reversal of 12465003661 is 16630056421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12465003661 - 2¹³ = 12464995469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12465003611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6825486 + ... + 6827311.

It is an arithmetic number, because the mean of its divisors is an integer number (1720252548).

Almost surely, 2^12465003661 is an apocalyptic number.

12465003661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12465003661 is a deficient number, since it is larger than the sum of its proper divisors (1297016723).

12465003661 is a wasteful number, since it uses less digits than its factorization.

12465003661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13652891.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 12465003661 in words is "twelve billion, four hundred sixty-five million, three thousand, six hundred sixty-one".