12103451 has 8 divisors (see below), whose sum is σ = 12869280. Its totient is φ = 11357632.

The previous prime is 12103447. The next prime is 12103453. The reversal of 12103451 is 15430121.

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 12103451 - 2² = 12103447 is a prime.

It is a super-2 number, since 2×12103451² = 292987052218802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12103453) 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, 3746 + ... + 6183.

It is an arithmetic number, because the mean of its divisors is an integer number (1608660).

Almost surely, 2^12103451 is an apocalyptic number.

12103451 is a deficient number, since it is larger than the sum of its proper divisors (765829).

12103451 is an equidigital number, since it uses as much as digits as its factorization.

12103451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10005.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 12103451 is about 3479.0014371943. The cubic root of 12103451 is about 229.5988660221.

Adding to 12103451 its reverse (15430121), we get a palindrome (27533572).

The spelling of 12103451 in words is "twelve million, one hundred three thousand, four hundred fifty-one".