1197406 has 24 divisors (see below), whose sum is σ = 2144880. Its totient is φ = 491040.

The previous prime is 1197389. The next prime is 1197407. The reversal of 1197406 is 6047911.

1197406 is nontrivially palindromic in base 6.

It is a super-2 number, since 2×1197406² = 2867562257672, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1197407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13410 + ... + 13498.

It is an arithmetic number, because the mean of its divisors is an integer number (89370).

2^1197406 is an apocalyptic number.

1197406 is a deficient number, since it is larger than the sum of its proper divisors (947474).

1197406 is an equidigital number, since it uses as much as digits as its factorization.

1197406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1197406 is about 1094.2604808728. The cubic root of 1197406 is about 106.1892312251.

Subtracting from 1197406 its sum of digits (28), we obtain a triangular number (1197378 = T₁₅₄₇).

The spelling of 1197406 in words is "one million, one hundred ninety-seven thousand, four hundred six".