1415506 has 4 divisors (see below), whose sum is σ = 2123262. Its totient is φ = 707752.

The previous prime is 1415497. The next prime is 1415507. The reversal of 1415506 is 6055141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6055141 = 23 ⋅263267.

It can be written as a sum of positive squares in only one way, i.e., 1221025 + 194481 = 1105^2 + 441^2 .

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1415507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353875 + ... + 353878.

2^1415506 is an apocalyptic number.

1415506 is a deficient number, since it is larger than the sum of its proper divisors (707756).

1415506 is an equidigital number, since it uses as much as digits as its factorization.

1415506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707755.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1415506 is about 1189.7503939903. The cubic root of 1415506 is about 112.2803880339.

The spelling of 1415506 in words is "one million, four hundred fifteen thousand, five hundred six".